N

Naperville, IL

—no score

Contamination score

Higher = more contaminated vs. other cities.

0
Water sources
34
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

Share this with friends & family you care about ❤️

Help someone you love know what's in their water — we'll email them Naperville's report. No sign-ups, no list.

Reported illness & cancer claims

No claims reported yet. Be the first to add one.

Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.

Self-reported issues

No issues reported yet. Be the first to report one.

Pollution sources & reported claims near your water

Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.

Critical High Medium Reported claim

Get water alerts for Naperville, IL

We'll email you when a new violation, lawsuit, or health report appears for Naperville's water. Free, unsubscribe anytime.

Home water filtration system

Protect your home

Improve Naperville's water

A certified filtration system can remove lead, PFAS, nitrates, and the contaminants flagged on this page. Get a free, no-obligation quote tailored to your home.

What are you interested in?

By submitting you agree to be contacted about water treatment options.

Public water systems

Naperville

PWSID:
IL0434670
Source:
Surface water
Serves:
156,406 people

EPA & DEP violations

Naperville

PWSID IL043467034 violations

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

    Total Haloacetic Acids (HAA5) MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityResolved

    EPA SDWIS violation 7023531 (code 27) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Apr 1, 2023 · 3 years ago · Source ↗

  • Hexachlorocyclopentadiene — MR violation

    medium severityArchived

    Hexachlorocyclopentadiene MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Methoxychlor — MR violation

    medium severityArchived

    Methoxychlor MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Heptachlor epoxide — MR violation

    medium severityArchived

    Heptachlor epoxide MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Atrazine — MR violation

    medium severityArchived

    Atrazine MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Toxaphene — MR violation

    medium severityResolved

    Toxaphene MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • HEXACHLOROBENZENE — MR violation

    medium severityArchived

    HEXACHLOROBENZENE MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Benzo(a)pyrene — MR violation

    medium severityResolved

    Benzo(a)pyrene MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Di(2-ethylhexyl) adipate — MR violation

    medium severityArchived

    Di(2-ethylhexyl) adipate MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Chlordane — MR violation

    medium severityResolved

    Chlordane MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Endrin — MR violation

    medium severityArchived

    Endrin MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Di(2-ethylhexyl) phthalate — MR violation

    medium severityArchived

    Di(2-ethylhexyl) phthalate MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Heptachlor — MR violation

    medium severityArchived

    Heptachlor MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • LASSO — MR violation

    medium severityArchived

    LASSO MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • BHC-GAMMA — MR violation

    medium severityArchived

    BHC-GAMMA MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Simazine — MR violation

    medium severityArchived

    Simazine MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023551 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023540 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023542 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023543 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023544 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023545 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023546 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023547 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023548 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023549 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023550 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023552 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023553 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023554 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023555 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — NAPERVILLE

    low severityOpen

    EPA SDWIS violation 7023556 (code 03) at NAPERVILLE (PWSID IL0434670).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Violation — Violation violation

    medium severity

    Contaminant Violation violation.

    EPA SDWIS · Violation · Began — · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.